Medical equipment PCBA plays a crucial role in modern healthcare technology. Here are its main features and processes:
Features:

High Reliability: It must work stably for a long time as medical equipment often operates in harsh environments, and any failure could endanger patients' lives.

High Precision: Demands accurate component placement and wiring to ensure precise signal transmission for the accurate operation of medical devices.

Low Electromagnetic Interference: Needs to have excellent electromagnetic compatibility to avoid interfering with other medical equipment in complex working environments.

 Miniaturization: With the trend of medical equipment towards portability, PCBA is required to achieve high - density assembly to reduce its size.

Processes:

PCB Fabrication: The first step involves making the PCB board, including processes like cutting, shaping, copper plating, and printing. A proper PCB design with reasonable layer structure and layout is essential for reducing signal interference and ensuring mechanical strength.

 Component Mounting: Components are precisely placed on the PCB board, usually by automatic pick - and - place machines, with special attention to accuracy and position precision due to high - requirement of medical equipment.

Soldering: Common soldering methods include wave soldering and reflow soldering. High - quality soldering is crucial to ensure reliable connections and avoid issues like cold soldering.

Inspection and Testing: AOI (Automated Optical Inspection) is used to visually detect soldering defects. Functional testing is also carried out to ensure all components work properly, meeting the high - precision and high - stability requirements of medical equipment.

Cleaning and Packaging: PCBA is cleaned to remove residues from soldering, and then packaged to protect it during transportation and storage.

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